学习SpringMVC(二十)之返回JSON

<span style="font-family:SimSun;font-size:18px;">package com.cgf.springmvc.handlers;
import java.util.Collection;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import com.cgf.springmvc.crud.dao.EmployeeDao;
import com.cgf.springmvc.crud.entities.Employee;

@RequestMapping(value="/springmvc")
@Controller
public class MyJson {

@Autowired
private EmployeeDao employeeDao;

<span style="color:#ff0000;">@ResponseBody</span>
@RequestMapping(value="/testJSON")
public  Collection<Employee> testJson(){
return employeeDao.getAll();
}

}</span>

<script type="text/javascript" src="scripts/jquery-1.9.1.min.js"></script>
<script type="text/javascript">
$(function(){
$("#test_json").click(function(){
var url=this.href;
var args={};
$.post(url,args,function(data){
for(var i=0;i<data.length;i++){
var id=data[i].id;
var lastName=data[i].lastName;
alert(id+"---"+lastName);
}
});
return false;
});
})
</script>

<h2>SpringMVC JSON</h2>
<a href="springmvc/testJSON" id="test_json">Test Json</a><br>